In the Measles and Immunity Lab, we determined whether herd immunity exists, and if the students will be allowed to go home. We tested 96 students by adding IgM and IgG antibodies to their blood sample to see if they are strong enough to fight infections and diseases. We added a drop of IgM to the blood sample of 48 students, and IgG to the other 48 student blood samples. If the sample with IgM, turned yellow it meant that you are diagnosed